Extension Builders in Lewisham

Name: Extension Builder
Brand: MyBuilder
SKU: extension-builder
Rating: 3.9 (19 reviews)

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Some of our top rated extension builders in Lewisham

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Thebuilderbrothersltd
No reviews yet
Extension Builder in Lewisham
We are a team of 3 multi skilled workers who can remove ,repair ,collect and create. No job to big or small
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Crystal Core Limited
New on MyBuilder
Extension Builder in Lewisham
Welcome to Crystal Core Construction Thank you for visiting our profile! With over 7 years of hands-on industry experience, we are a dedicated team of skilled tradespeople committed to bringing your home improvement dreams to life. We pride ourselves on delivering top-tier craftsmanship, transparent pricing, and a stress-free experience from start to finish. No matter the scale of the project, our focus is always on flawless execution and absolute customer satisfaction. Our Core Services Include: Structural Works: Extensions, loft conversions, and full house renovations. Internal Fit-Outs: Expert plumbing, certified electrical work, and high-end tiling. Finishing Touches: Professional painting, decorating, and modern interior updates. Outdoor Spaces: Premium paving, patios, pathways, and landscaping. Why Choose Crystal Core Construction? All-in-One Solution: From the first brick to the final coat of paint, we manage the entire project so you do not have to juggle multiple contractors. Quality & Reliability: Backed by 7 years of trusted local service, we do not cut corners and treat your home with total respect. Contact us today for a free quote!
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Bespoke Dwellings Limited
No reviews yet
Extension Builder in Lewisham
I’m builder with 15 years of experience in trade and we provide BESPOKE building services. We do all sort of home renovation, house extensions and complete remodel in house designs. References are available and previously finished recent jobs can be viewed.
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BLUE LOFT CONSTRUCTION LTD
No reviews yet
Extension Builder in Lewisham
Design, Build & Remodel We pride ourselves on our commitment to provide a professional and speedy service at all times, whilst maintaining the highest quality of work. We take on all types of jobs from small domestic work to larger commercial projects, all carried out to the highest standards, and at very competitive prices. We take on all building work from plumbing and electrics to conversions and extensions. Contact us today to discuss your requirements.
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Goldenrock construction ltd
No reviews yet
Extension Builder in Lewisham
We are very good builders we are very honest in our work
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LAS construction
New on MyBuilder
Extension Builder in Lewisham
A trusted construction company for building renovations, repairs and maintenance.
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N&E Decor Contractors Ltd
New on MyBuilder
Extension Builder in Lewisham
Hello We are trustworthy company with 10 years of experience We operate all over London
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Go Plumbing services LTD
No reviews yet
Extension Builder in Lewisham
Here at Go Plumbing Services we offer a huge variety of services from tap repairs, bathroom installations to full property maintenance. Established in 2005 Some of our recent works have included: Full bathroom rip outs and installation Toilet/sink/tap changes Re tilling small and large areas Fully high quality painting of walls and wood work. Full re wiring of electrics to single socket changes. Tap repairs Out side tap installation Carpet cleans using organic cleaning products only. Internal Door changes/repairs. Full End of tenancy cleans. Our company is fully insured. All our staff are fully DBS checked. Thank you for reading Joe
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MS Builder
No reviews yet
Extension Builder in Lewisham
I am good in decorating and painting things
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New vision design & build
No reviews yet
Extension Builder in Lewisham
Our team is proper qualified all these building works. We are specialists in new build , loft conversion, extension bathroom and all over inside renovations with on all resonable quotes Thanks
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Parminder builder
No reviews yet
Extension Builder in Lewisham
Hi my name parminder builder we doing kitchen extention loft conversion bathroom tiling driway fencing all tipe building work I have 30years experience
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DW Brickwork
Rating: 5 out of 5
Extension Builder in Lewisham
Hi, I’ve been a Bricklayer for 20 years. All brick and blockwork undertaken from garden walls extensions new builds etc. All work is high quality and neat. I also have building insurance covering up to 1 million pounds of damage. Company Name: Simply business. Policy number: ASB14059198XB2
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Latest review:
Repointing- 10 Jun 2026
I tend to only leave a review if it’s someone/something that should be avoided or something outstanding. In this case I can’t recommend DW Brickwork enough and only wished I came across their services a few years back. This was a brick re-pointing job, but DW Brickwork were professional, attentive and excellent at communicating. Due to the weather the job took an extra day but the job was complete and carried out at every stage like it mattered. So this will be a contact I’ll have in my phone for the future. Highly recommend!
SSS construction
No reviews yet
Extension Builder in Lewisham
i like working clean and fast
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Geni Renovation
No reviews yet
Extension Builder in Lewisham
Looking for a reliable team to deliver high quality renovation? Look no further! Here at Geni Renovation we overtake all jobs, and can count on dedicated teams with excellent skills which can renovate at high standards, on budget and time without ever compromising on quality.
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Spark plug electrician ltd
No reviews yet
Extension Builder in Lewisham
We do all sort of renovations work.Any types of extensions work,new bathroom,kitchen fixtures fittings.
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ATP BUILDING SERVICES
New on MyBuilder
Extension Builder in Lewisham
We are a reliable and experienced building company specialising in high-quality residential construction, extensions, and renovations. With a strong focus on craftsmanship and attention to detail, we deliver projects that are built to last and finished to a high standard. From structural work and extensions to full property refurbishments, we manage every stage of the build with professionalism and clear communication. We take pride in working closely with our clients to ensure their vision is achieved on time and within budget. Our team is skilled in all aspects of construction, including carpentry, roofing, structural alterations, and internal finishing. We use quality materials and proven building methods to ensure every project meets current building regulations and exceeds expectations. Whether it’s a small upgrade or a full extension, we approach every job with the same level of care, reliability, and commitment to excellence.
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3.9

Top rated Extension Builders

Our Extension Builders in Lewisham, are rated 3.9 out of 5 based on 19 reviews from customers like you.

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What types of services are offered by local extension builders in Lewisham?

Building an extension is a major milestone for any home. It’s not just about adding extra space, it’s a big step that can transform how you live day to day, opening up new possibilities for comfort, lifestyle, and family needs.

This is why it’s so important to find the right extension builders in Lewisham for you. They can help with a variety of tasks and projects, including:

Extending your home with an extra room
Two+ storey extensions
Adding partition walls to create more rooms
Building annexes or external structures

To find the right extension builder near you, simply post your job on MyBuilder. Explain the type of help you’re looking for, and then home extension builders in Lewisham who are available and interested can respond to your post.

Browse profiles, read customer reviews and get quotes from your chosen Lewisham extension builders, all before you decide who to hire.

What are the hourly rates of extension builders in Lewisham?

Before getting started with your extension project, it’s important to have a clear budget in place. On average, extension builders in Lewisham will charge between £16 and £42 per hour.

Single-storey rear extensions cost between £20,000 and £60,000 depending on size and finish.
The cost of double-storey extensions, which add more space and value, can range from £100,000 to over £170,000.
Larger wrap-around extensions that combine multiple extension types can range from £40,000 to over £120,000.

The cost of an extension will vary depending on your property. For instance, extending in certain areas may require structural adjustments to ensure stability, which can increase your material and labour costs.

To get an accurate price for your home extension, request detailed quotes from several Lewisham extension builders near you on MyBuilder. This allows you to compare what each quote covers and how much your Lewisham home extension project is likely to cost.

Find extension builders in Lewisham with MyBuilder

Hiring the right extension builder in Lewisham with MyBuilder couldn’t be easier. Just follow these simple steps:

Step 1: Post your extension project on MyBuilder

Whether you’re planning a single-storey extension, a loft conversion, or adding a new room, post your job on MyBuilder to find local Lewisham extension builders. Once your job is live, we’ll share it with home extension builders in Lewisham who can express their interest.

Step 2: Compare different extension builders in Lewisham

When you start receiving interest, review profiles of local Lewisham extension builders, check their previous work, and read real customer reviews. Ask about timelines, materials, and request detailed quotes.

Step 3: Hire Lewisham extension builders with confidence

After gathering all the information and quotes from your chosen home extension builders in Lewisham, compare their experience, guarantees, and costs before choosing who to hire.

You’ll also have confidence knowing that every tradesperson on MyBuilder is verified through several checks, including:

ID verification: When a tradesperson joins MyBuilder, we ask for a valid ID, such as a passport, ID card, or eIDAS certificate.
Company verification: For tradespeople operating under a company, we make sure every tradesperson has a registered business.

Did you know? Our continuous monitoring and complaints process ensures that tradespeople who don’t meet our standards are promptly removed from MyBuilder’s platform.

Lewisham extension builders are ready to help. Use MyBuilder today to find the right professional for your home extension.

What to ask a Lewisham extension builder before hiring?

Before hiring an extension builder in Lewisham or extension building company in Lewisham, ask a few key questions to make sure you’re choosing the right professional for your home extension project.

What qualifications and experience do you have as an extension builder in Lewisham?

An extension builder in Lewisham should have a strong track record with similar projects and relevant building qualifications or trade memberships, such as the Federation of Master Builders (FMB) or TrustMark.

Will my home extension meet all building regulations and planning requirements?

Your Lewisham extension builder should ensure the project complies with Building Regulations and, where necessary, handle or assist with planning permissions. Ask how they manage building control inspections and what documentation you’ll receive once the project is complete.

What experience do you have with similar extensions in Lewisham?

Ask to see examples of their previous work, or view examples of their work on MyBuilder. Ideally projects similar to yours in scale and design. This helps you assess the Lewisham extension builder’s ability to deliver a result that meets your expectations.

How long will the extension take to complete?

Extension project timelines can vary depending on size, complexity, and weather. A typical single-storey extension might take around 8 - 12 weeks. Request a detailed schedule so you know what to expect and when key milestones will be reached.

Do you offer a guarantee for your work? Most Lewisham extension builders offer a guarantee or warranty on their work, often between 1 and 10 years depending on the project and materials used. This gives you assurance that any issues will be resolved after completion.

If you still have questions about the professional you are looking to hire, we have a full detailed guide on hiring the right builder here.

FAQ: Common questions about home extensions in Lewisham

Can an extension builder in Lewisham help with planning permission?

Yes, many extension builders in Lewisham can guide you through the planning process. They can help prepare drawings, advise on local requirements, and liaise with your local council to ensure your project meets all necessary regulations.

Can an extension builder in Lewisham handle everything from design to construction?

Many Lewisham extension builders offer full design-and-build services, managing both the architectural planning and construction stages. Ask your builder whether they can provide a complete package or if you’ll need to hire an architect or designer separately.

Will an extension builder in Lewisham help with materials and finishes?

Yes, most extension builders in Lewisham can source materials and offer advice on finishes that suit your design and budget. You can also choose to supply certain materials yourself, just make sure this is agreed upon before work starts.